YEALINK SIP PHONE (SIP-T21P)
Yealink’s new SIP-T21P phone is entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 132 x 64-pixel graphical LCD showing a clear 5-line data display, it offers a smoother user experience, much more visual information at a glance, plus HD Voice characteristics. Dual 10/100 Mbps network ports with integrated PoE are ideal for extended network use. The T21P supports two VoIP account, simple, flexible and secure installation options, plus support for IPv6, Open VPN and a redundancy server. It also operates with SRTP/ HTTPS/ TLS, 802.1x. As a very cost-effective and powerful IP solution, the T21P maximizing productivity in both small and large office environments.
Features
HD Voice: HD Codec, HD speaker, HD handset
132 x 64-pixel graphical LCD
2 VoIP accounts
Two-port 10/100 Ethernet Switch, integrated PoE
Headset, wall-mountable
XML/LDAP remote phonebook
Specification
Audio Features
Full-duplex hands-free speakerphone with AEC
Codecs: G.722 ( Wideband), G.711(A/μ), G.723, G.729AB, G.726
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
VAD, CNG, AEC, PLC, AJB, AGC
Directory
Local phonebook up to 1000 entries
Black list
XML/LDAP remote phonebook
Intelligent search method
Phonebook search/import/export
Call history: dialed/received/missed/forwarded
Phone Features
2 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Redial, call return, auto answer
Call forward, call waiting, call transfer
Group listening, SMS
Local 3-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Keypad lock, emergency call
Set date time manually or automatically
Dial plan, XML Browser, action URL&action URI
IP-PBX Features
Anonymous call, anonymous call rejection
Message waiting indicator (MWI)
Voice mail, call park, call pickup
Intercom, paging, music on hold
Call completion, call recording, hot-desking
Display and Indicator
132x64-pixel graphical LCD
LED for call and message waiting indication
Intuitive user interface with icons and soft keys
National language selection
Caller ID with name, number
Network and Security
SIP v1 (RFC2543), v2 (RFC3261)
IPv6, open VPN
NAT transverse: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP/PPPoE
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV(RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS, DSCP
SRTP for voice
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication using MD5/MD5-sess
IEEE802.1X
Management
Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
Auto-provision with PnP
Zero-sp-touch
Provisioning server redundancy supported
Reset to factory, reboot
Package tracing export, system log
Physical Features
2xRJ45 10/100M Ethernet ports
31 keys including 4 soft keys
4 LEDs: 1xpower, 2xline, 1xmessage
1xRJ9 handset port
1xRJ9 headset port
Wall-mountable
Power adapter: AC 100~240V input and DC 5V/600mA Output
Power over Ethernet (IEEE 802.3af)
Power consumption: 1.4-2.6W
Net weight: 0.81kg
Dimension: 209mm*188mm*150mm*41mm
Operating humidity: 10~95%
Storage temperature: -10~50°C
Package Features
Qty/CTN: 10 PCS
N.W/CTN: 10.8KG
G.W/CTN: 12.3KG
Giftbox size: 215mm*200mm*118mm
Carton Meas: 615mm*436mm*208mm
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